Molecules and Macromolecules MCQs Quiz Online PDF Download

Learn molecules and macromolecules MCQs, O level chemistry test for online courses learning and test prep to practice. Chemical bonding and structure quiz has multiple choice questions (MCQ), molecules and macromolecules quiz questions and answers to learn for Cambridge international IGCSE online tests.

IGCSE chemistry practice test MCQ on melting point of silica (sio2) is with options 1650 °c, 1660 °c, 1700 °c and 1760 °c problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning molecules and macromolecules quiz with MCQs to practice test questions with answers.

MCQs on Molecules and Macromolecules Quiz PDF Download

MCQ. Melting point of silica (SiO2) is

  1. 1650 °C
  2. 1660 °C
  3. 1700 °C
  4. 1760 °C

A

MCQ. A shared pair of electrons like Cl2 forms

  1. ionic bonds
  2. single covalent bond
  3. double covalent bond
  4. dative bond

B

MCQ. Graphite is a good conductor of electricity due to

  1. strong electrostatic bonding
  2. free localized bonds
  3. free delocalized electrons
  4. tetrahedral arrangement of particles

C

MCQ. Way atoms join together and combine with one another is called as

  1. isotopes
  2. alloys
  3. bonding
  4. dative bond

C

MCQ. In formic an ionic bond Magnesium Oxide (MgO), Magnesium

  1. loses 1 electron
  2. loses 2 electrons
  3. gains 1 electron
  4. gains 2 electros

B